jbdavid
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not in verilog a, but in spectre you could use a bsource device..
resistor #(.r(Rfixed) R1 (A, B);
cant vary- its just a spectre resistor.. real Rvary Rvary = V(in)*2; V(A,B) <+ I(A,B)*Rvary; // same thing, but Resistance varies with V(in);
Youi can't make the structure vary with conditions any more than you can make the silicon change with voltages.. you can turn switches on and off with voltages but you cant rewire a circuit for voltage changes..
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